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Finding the Fourth Proportional to 20,323.65, 30,485.52 and 10,968.07

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Solution

The fourth proportional to 20,323.65, 30,485.52 and 10,968.07 is: 16,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.65 : 30,485.52 = 10,968.07 : x
  2. Step 2: Convert to fraction form
    20,323.65/30,485.52 = 10,968.07/x
  3. Step 3: Cross multiply
    20,323.65x = 30,485.52 × 10,968.07
  4. Step 4: Simplify right side
    20,323.65x = 334,367,164.92
  5. Step 5: Solve for x
    x = 334,367,164.92/20,323.65
  6. Step 6: Final answer
    x = 16,452.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.